Retatrutide 99.7% Purity — Zhuoyan LabCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide from Zhuoyan Lab at 99.7% purity via HPLC, with mass quantification confirming 19.7mg against a 20mg label (-1.5% deviation). The test is recent (3-6 months old). However, endotoxin status is unknown, which is a concern for injectable peptides. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- no batch ID
- Test date
- 2026-01-15
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 19.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.5
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.70% ranks higher than 29% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-01-15 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 40% of our catalogued Retatrutide certificates.
Zhuoyan Lab has 39 certificates in our corpus, including 13 for Retatrutide at a median tested purity of 99.70%.
Test report image
Finnrick
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